diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0458-drm-amd-amdgpu-Enable-ability-to-print-register-stat.patch')
| -rw-r--r-- | common/recipes-kernel/linux/files/0458-drm-amd-amdgpu-Enable-ability-to-print-register-stat.patch | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0458-drm-amd-amdgpu-Enable-ability-to-print-register-stat.patch b/common/recipes-kernel/linux/files/0458-drm-amd-amdgpu-Enable-ability-to-print-register-stat.patch new file mode 100644 index 00000000..a2e6a8f1 --- /dev/null +++ b/common/recipes-kernel/linux/files/0458-drm-amd-amdgpu-Enable-ability-to-print-register-stat.patch @@ -0,0 +1,91 @@ +From 0f09539c772af43949b4358c6b45fe30a9b14861 Mon Sep 17 00:00:00 2001 +From: Tom St Denis <tom.stdenis@amd.com> +Date: Mon, 28 Mar 2016 08:21:52 -0400 +Subject: [PATCH 0458/1110] drm/amd/amdgpu: Enable ability to print register + status + +Added file "amdgpu_print_status" to debugfs and you can +cat it to have the dmesg log populated with register values +from various IP blocks. + +Signed-off-by: Tom St Denis <tom.stdenis@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 42 ++++++++++++++++++++++++++++++ + 1 file changed, 42 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +index 9663d17..f03fa47 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +@@ -47,6 +47,8 @@ + + static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev); + static void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev); ++static int amdgpu_debugfs_status_init(struct amdgpu_device *adev); ++ + + static const char *amdgpu_asic_name[] = { + "BONAIRE", +@@ -1110,6 +1112,15 @@ const struct amdgpu_ip_block_version * amdgpu_get_ip_block( + return NULL; + } + ++void amdgpu_print_status(struct amdgpu_device *adev) ++{ ++ int i; ++ ++ for (i = 0; i < adev->num_ip_blocks; i++) ++ if (adev->ip_blocks[i].funcs->print_status) ++ adev->ip_blocks[i].funcs->print_status(adev); ++} ++ + /** + * amdgpu_ip_block_version_cmp + * +@@ -1258,6 +1269,8 @@ static int amdgpu_init(struct amdgpu_device *adev) + adev->ip_block_status[i].hw = true; + } + ++ amdgpu_debugfs_status_init(adev); ++ + return 0; + } + +@@ -2162,3 +2175,32 @@ static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev) + } + static void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev) { } + #endif ++ ++/* ++ * Status debugfs ++ */ ++#if defined(CONFIG_DEBUG_FS) ++static int amdgpu_debugfs_print_status(struct seq_file *m, void *data) ++{ ++ struct drm_info_node *node = (struct drm_info_node *)m->private; ++ struct drm_device *dev = node->minor->dev; ++ struct amdgpu_device *adev = dev->dev_private; ++ ++ amdgpu_print_status(adev); ++ ++ return 0; ++} ++ ++static struct drm_info_list amdgpu_debugfs_status_list[] = { ++ {"amdgpu_print_status", &amdgpu_debugfs_print_status, 0, NULL}, ++}; ++#endif ++ ++static int amdgpu_debugfs_status_init(struct amdgpu_device *adev) ++{ ++#if defined(CONFIG_DEBUG_FS) ++ return amdgpu_debugfs_add_files(adev, amdgpu_debugfs_status_list, 1); ++#else ++ return 0; ++#endif ++} +-- +2.7.4 + |